Home / 35,405.30-48,855.35-20,293.84

Finding the Fourth Proportional to 35,405.30, 48,855.35 and 20,293.84

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Solution

The fourth proportional to 35,405.30, 48,855.35 and 20,293.84 is: 28,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.30 : 48,855.35 = 20,293.84 : x
  2. Step 2: Convert to fraction form
    35,405.30/48,855.35 = 20,293.84/x
  3. Step 3: Cross multiply
    35,405.30x = 48,855.35 × 20,293.84
  4. Step 4: Simplify right side
    35,405.30x = 991,462,767.85
  5. Step 5: Solve for x
    x = 991,462,767.85/35,405.30
  6. Step 6: Final answer
    x = 28,003.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.